- template<>
- inline MoveStack* generate_pawn_checks<BLACK>(const Position& p, Bitboard dc, Square ksq, MoveStack* m) {
- return do_generate_pawn_checks<BLACK, WHITE, Rank1BB, Rank6BB, DELTA_S>(p, dc, ksq, m);
- }
-
- // non-pawn templates
- template<PieceType>
- MoveStack* generate_piece_moves(const Position&, MoveStack*, Color us, Bitboard);
- template<>
- MoveStack* generate_piece_moves<KING>(const Position& pos, MoveStack* mlist, Color us, Bitboard target);
-
- template<PieceType>
- MoveStack* generate_piece_checks(const Position&, Bitboard, Bitboard, Square, MoveStack*);
- MoveStack* generate_piece_checks_king(const Position&, Square, Bitboard, Square, MoveStack*);
-
- template<PieceType>
- MoveStack* generate_piece_blocking_evasions(const Position&, Bitboard, Bitboard, MoveStack*);
-}
-
-
-////
-//// Functions
-////
-
-
-/// generate_captures generates() all pseudo-legal captures and queen
-/// promotions. The return value is the number of moves generated.
-
-int generate_captures(const Position& pos, MoveStack* mlist) {
-
- assert(pos.is_ok());
- assert(!pos.is_check());
-
- Color us = pos.side_to_move();
- Bitboard target = pos.pieces_of_color(opposite_color(us));
- MoveStack* mlist_start = mlist;
-
- mlist = generate_piece_moves<QUEEN>(pos, mlist, us, target);
- mlist = generate_piece_moves<ROOK>(pos, mlist, us, target);
- mlist = generate_piece_moves<BISHOP>(pos, mlist, us, target);
- mlist = generate_piece_moves<KNIGHT>(pos, mlist, us, target);
-
- if (us == WHITE)
- mlist = generate_pawn_captures<WHITE>(pos, mlist);
- else
- mlist = generate_pawn_captures<BLACK>(pos, mlist);
-
- mlist = generate_piece_moves<KING>(pos, mlist, us, target);
- return int(mlist - mlist_start);
-}
-
-
-/// generate_noncaptures() generates all pseudo-legal non-captures and
-/// underpromotions. The return value is the number of moves generated.
-
-int generate_noncaptures(const Position& pos, MoveStack* mlist) {
-
- assert(pos.is_ok());
- assert(!pos.is_check());
-
- Color us = pos.side_to_move();
- Bitboard target = pos.empty_squares();
- MoveStack* mlist_start = mlist;
-
- if (us == WHITE)
- mlist = generate_pawn_noncaptures<WHITE>(pos, mlist);
- else
- mlist = generate_pawn_noncaptures<BLACK>(pos, mlist);
-
- mlist = generate_piece_moves<KNIGHT>(pos, mlist, us, target);
- mlist = generate_piece_moves<BISHOP>(pos, mlist, us, target);
- mlist = generate_piece_moves<ROOK>(pos, mlist, us, target);
- mlist = generate_piece_moves<QUEEN>(pos, mlist, us, target);
- mlist = generate_piece_moves<KING>(pos, mlist, us, target);
- mlist = generate_castle_moves(pos, mlist);
- return int(mlist - mlist_start);
-}
-
-
-/// generate_checks() generates all pseudo-legal non-capturing, non-promoting
-/// checks. It returns the number of generated moves.
-
-int generate_checks(const Position& pos, MoveStack* mlist, Bitboard dc) {
-
- assert(pos.is_ok());
- assert(!pos.is_check());
-
- Color us = pos.side_to_move();
- Square ksq = pos.king_square(opposite_color(us));
- MoveStack* mlist_start = mlist;
-
- assert(pos.piece_on(ksq) == king_of_color(opposite_color(us)));
-
- dc = pos.discovered_check_candidates(us);
-
- // Pawn moves
- if (us == WHITE)
- mlist = generate_pawn_checks<WHITE>(pos, dc, ksq, mlist);
- else
- mlist = generate_pawn_checks<BLACK>(pos, dc, ksq, mlist);